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Reading Quiz



 This activity contains 22 questions.

Question 1
1
Open Hint for Question 1 in a new window		 Which of the following would be a reason for scientists to engineer an artificial organism?
 
End of Question 1


Question 2
2
Open Hint for Question 2 in a new window		 Earth probably formed about __________ years ago, and the oldest known living organisms date to __________ years ago.
 
End of Question 2


Question 3
3
Open Hint for Question 3 in a new window		 Which of the following are the two main branches of prokaryotic evolution?
 
End of Question 3


Question 4
4
Open Hint for Question 4 in a new window		 Spontaneous generation __________.
 
End of Question 4


Question 5
5
Open Hint for Question 5 in a new window		 There were four hypothetical stages in the formation of life; abiotic synthesis of organic monomers was _____.
 
End of Question 5


Question 6
6
Open Hint for Question 6 in a new window		 Experiments in which electricity was discharged into a vessel containing hydrogen gas, water vapor, methane, and ammonia were conducted by _____.
 
End of Question 6


Question 7
7
Open Hint for Question 7 in a new window		 In cells, RNAs that can act like enzymes are called _____.
 
End of Question 7


Question 8
8
Open Hint for Question 8 in a new window		 Early pre-cells developed an important prerequisite for life, which was self-replicating _____.
 
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Question 9
9
Open Hint for Question 9 in a new window		 A major difference between eukaryotes and prokaryotes is that __________.
 
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Question 10
10
Open Hint for Question 10 in a new window		 E. coli bacteria, which live in human intestines, are shaped like tiny, straight sausages. They are _____.
 
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Question 11
11
Open Hint for Question 11 in a new window		 The bacterium Bacillus thuringiensis can withstand heat, dryness, and toxic chemicals that would kill most other bacteria. This indicates that it is probably able to form a protective structure called _____.
 
End of Question 11


Question 12
12
Open Hint for Question 12 in a new window		 Bacteria that live around deep-sea hot-water vents obtain energy by oxidizing inorganic hydrogen sulfide belched out by the vents. They use this energy to build organic molecules from carbon obtained from the carbon dioxide in the seawater. These bacteria are _____.
 
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Question 13
13
Open Hint for Question 13 in a new window		 All living organisms can be divided into four nutritional classes based on how they obtain which two resources?
 
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Question 14
14
Open Hint for Question 14 in a new window		 What is the name of poisonous proteins produced and secreted by some bacterial cells?
 
End of Question 14


Question 15
15
Open Hint for Question 15 in a new window		 The use of harmful microorganisms as weapons is called _____.
 
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Question 16
16
Open Hint for Question 16 in a new window		 The endosymbiotic theory states that __________; one piece of evidence supporting this theory is the fact that __________.
 
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Question 17
17
Open Hint for Question 17 in a new window		 Which of these human diseases does an apicomplexan protozoan cause?
 
End of Question 17


Question 18
18
Open Hint for Question 18 in a new window		 While peering through the microscope, a classmate of yours said, "I know that this thing is supposed to be a ciliate, a flagellate, or an amoeba, but I can't figure out which." You replied, "That's easy, __________."
 
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Question 19
19
Open Hint for Question 19 in a new window		 A sign on the beach states, "Beach Closed. Red Tide." The organisms interfering with your use of this beach are _____.
 
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Question 20
20
Open Hint for Question 20 in a new window		 Which of the following organisms are characterized by having glassy cell walls that contain silica?
 
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Question 21
21
Open Hint for Question 21 in a new window		 Which of the following groups of protists is classified into these three groups: brown algae, green algae, and red algae?
 
End of Question 21


Question 22
22
Open Hint for Question 22 in a new window		 The evolutionary link between unicellular and multicellular life was probably __________.
 
End of Question 22


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